NCERT solutions for CBSE and other state boards is a key requirement for students. Doubtnut helps with homework, doubts and solutions to all the questions. It has helped students get under AIR 100 in NEET & IIT
What is the mass in grams of 1.47 moles CaCl2? What is the molar mass of (NH4)2CO3? What is the molar mass of P4O10? What is the molar mass of ammonium sulfate? What is the molar mass of Ba(NO3)2? What is the molar mass of Ha? What is the molar mass of magnesium sulphate?
What mass of water has 6.70 x 10^23 molecules? What is the formula mass, in amu, of KNaC_4H_4O_6 . 4H_2O? What is the mass of 1.00 mole of water? What is the mass, in grams, of 4.621 x 1024 molecules of water, H2O?
What is the molar mass of copper II sulfate? Copper(II) Sulfate: The formula for copper(II) sulfate is CuSO4. When five water molecules are physically attached to copper(II) sulfate, it is a blue crystal. Anhydrous (no attached water molecules) copper(II) sulfate is a white crystal. ...
25.00 g of Zn reacts with 30.00 g MnO2, what mass of Zn(OH)2 will be produced? Batteries and Cell:Cell and batteries are used for generating electricity from the chemical reactions taking place in it. They are a type of electrochemical cell and it is also known as ...
D:在一定致死温度情况下,热力致死速率曲线(存活曲线)穿过一个对数周期所需要的时间(miin)or 在一定热力致死温度下,每杀死90%的微生物原始菌数,所需要的时间(min)。时间长说明越耐热,但不同致死温度下不能比较。 Z——耐热性曲线(致死时间曲线)穿过一定对数周期相应的致死温度的变化( °C ),即致死时间变化十倍...
What does “see yourself as your largest investment” imply?根据《建设工程施工现场环境与卫生标准》JGJ146-2013的内容,根施工现场出入口应标有企业名称或企业标识。 主要出入口明显处应设置( ),施工现场大门内应有施工现场总平面图和安全管理、环境保护与绿色施工、消防保卫等制度牌和宣传栏 ...
(Hint – this is much like finding the percent composition of a compound or the percentage of guys/girls in the room). Use this as an example: MgSO4 • 3 H2O is 30.97 % percent water and 69.03 % MgSO4 (the anhydrous salt)- how did I find this? SHOW YOUR WORK/Write out your ...
students,isverystrange,theyonlyknowthatthereisthis kindofmaterial,inwhatform,thiskindofmaterialtheyare unknown.Accordingtostudents'cognitivecharacteristicsand agecharacteristics,itis better to put this section is designed to inquiry, so that you can keep the natural phenomenon ...
Answer to: What is the mass of solute required to prepare 100 ml of 3.0 M calcium nitrate. a. 4.9 grams b. 164.1 grams c. 9.8 grams d. none of...